GRT1-PNT PROFINET IO Communication Unit
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Figure 1.2: A single GRT1-PNT connects to multiple I/O blocks via Turnback units.
1 Remote I/O data is collected from the connected SmartSlice I/O Units and
exchanged with the IO Controller Unit
2 Acyclic messages are used to monitor operation and write parameters to
the SmartSlice I/O Units.
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Section 1-2
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